//
//  UIColor.m
//  MHNavigationController
//
//  Created by mac on 14/11/6.
//  Copyright (c) 2014年 Leo. All rights reserved.
//

#import "UIColor+Custom.h"

@implementation UIColor(Custom)

+ (UIColor*)colorWithHexString:(NSString *)hexString {
    
    return[self colorWithHexString: hexString andWithAlpha: 1.0];
}

+ (UIColor*)colorWithHexString:(NSString *)hexString andWithAlpha:(CGFloat)alpha {
    NSString *cString = [[hexString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    
    
    if ([cString length] < 6)
        return [UIColor whiteColor];
    if ([cString hasPrefix:@"#"])
        cString = [cString substringFromIndex:1];
    if ([cString length] != 6)
        return [UIColor whiteColor];
    
    NSRange range;
    range.location = 0;
    range.length = 2;
    NSString *rString = [cString substringWithRange:range];
    
    range.location = 2;
    NSString *gString = [cString substringWithRange:range];
    
    range.location = 4;
    NSString *bString = [cString substringWithRange:range];
    
    
    unsigned int r, g, b;
    [[NSScanner scannerWithString:rString] scanHexInt:&r];
    [[NSScanner scannerWithString:gString] scanHexInt:&g];
    [[NSScanner scannerWithString:bString] scanHexInt:&b];
    
    return [self colorWithRed:((float) r / 255.0f)
                        green:((float) g / 255.0f)
                         blue:((float) b / 255.0f)
                        alpha: alpha];
}

@end
